288 reactions · 16 comments | One of the main side effects of testosterone replacement therapy is that it makes you make more red blood cells. For some, that is actually a benefit and it improves their energy. But we are careful to make sure that our patients remain with a hematocrit below 52 percent. What are the dangers of having a higher percentage of red blood cells? Your blood could thicken putting you at higher risk for heart attack or stroke. | Maze Men’s Health | Facebook